from typing import List, Optional, Dict, Any
from pydantic import BaseModel

class ProductAttributes(BaseModel):
    color: Optional[str] = None
    amount: Optional[str] = None
    size: Optional[str] = None
    diameter: Optional[int] = None
    wall_thickness: Optional[float] = None
    length: Optional[int] = None
    stiffness_class: Optional[str] = None
    application_type: Optional[str] = None

class Product(BaseModel):
    id: int
    name: str
    description: Optional[str] = None
    price: Optional[float] = None
    categoryId: int
    images: List[str] = []
    attributes: ProductAttributes = ProductAttributes()
    inStock: bool = True
    
    class Config:
        from_attributes = True

class ProductDetail(Product):
    created_at: Optional[str] = None